CN215001335U - Dustproof effectual solar street lamp - Google Patents

Dustproof effectual solar street lamp Download PDF

Info

Publication number
CN215001335U
CN215001335U CN202120771856.4U CN202120771856U CN215001335U CN 215001335 U CN215001335 U CN 215001335U CN 202120771856 U CN202120771856 U CN 202120771856U CN 215001335 U CN215001335 U CN 215001335U
Authority
CN
China
Prior art keywords
wall
street lamp
solar street
solar panel
fixedly mounted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120771856.4U
Other languages
Chinese (zh)
Inventor
邓苹萍
刘健
吕书玉
许春艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Huayuxin Technology Co ltd
Original Assignee
Zhuhai Huayuxin Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Huayuxin Technology Co ltd filed Critical Zhuhai Huayuxin Technology Co ltd
Priority to CN202120771856.4U priority Critical patent/CN215001335U/en
Application granted granted Critical
Publication of CN215001335U publication Critical patent/CN215001335U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model discloses a solar street lamp with good dustproof effect, which comprises a main lamp post, wherein a storage battery is fixedly arranged inside the main lamp post, a lifting component is arranged inside the main lamp post, a connecting lamp post is fixedly arranged on the outer wall of one side of the lifting component, a rotating component is fixedly arranged on the outer wall of the top part of the connecting lamp post, a mounting plate is fixedly arranged on the outer wall of the top part of the rotating component, a solar panel is fixedly arranged on the outer wall of the top part of the mounting plate, a dust cleaning component is arranged on the outer wall of the top part of the solar panel, a cleaning brush is convenient to pass through the surface of the solar panel through the arranged hydraulic pump and the arranged telescopic rod, thereby regularly cleaning the dust accumulated on the surface of the solar panel, the stability of the cleaning brush during moving is convenient to increase through the arranged sliding rod and the moving block, the mechanism component can reduce the attachment of the dust, and lead the solar panel to well absorb light energy, and the high-altitude operation of workers is avoided, and the working strength of the workers is reduced.

Description

Dustproof effectual solar street lamp
Technical Field
The utility model relates to a solar energy technical field, in particular to dustproof effectual solar street lamp.
Background
Solar energy is renewable energy, and refers to thermal radiation energy of the sun (see three modes of thermal energy transmission: radiation), which is mainly expressed by solar rays in the common sense, is generally used as power generation or energy supply for water heaters in modern times, and lives mainly by thermal radiation energy provided by the sun since the birth of life on the earth, and ancient mankind also knows that objects are dried in the sun and used as food making methods, such as salt making, salted fish drying and the like.
Along with the continuous increase of population, the resource sharply consumes, for guaranteeing non-renewable resources's use, people are looking at sustainable development, constantly develop renewable resources, solar energy arouses people's concern, based on environmental protection renewable lamps advantage, solar energy obtains extensive application, wherein, solar street lamp is visible everywhere in our life, current solar street lamp is in the use, can unavoidably accumulate a large amount of dust on the solar energy, not only influence the heat absorption effect of solar energy, and lead to the durability decline of street lamp easily, reduce the length of illumination, most dustproof street lamp all only prevents dust to the street lamp, can not remove dust by solar panel well.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a solar street lamp that dustproof effectual to propose in solving above-mentioned background art and can not carry out the problem that removes dust by solar panel well.
In order to achieve the above object, the utility model provides a following technical scheme: a solar street lamp with good dustproof effect comprises a main lamp post, wherein a storage battery is fixedly arranged inside the main lamp post, a lifting assembly is arranged inside the main lamp post, a connecting lamp post is fixedly arranged on the outer wall of one side of the lifting assembly, a rotating assembly is fixedly arranged on the outer wall of the top of the connecting lamp post, a mounting plate is fixedly arranged on the outer wall of the top of the rotating assembly, a solar panel is fixedly arranged on the outer wall of the top of the mounting plate, a dust cleaning assembly is arranged on the outer wall of the top of the solar panel, a power assembly is arranged inside the connecting lamp post, a protection box is fixedly arranged on the outer wall of one end of the connecting lamp post, a supporting plate is arranged inside the protection box, an LED lamp body is embedded on the outer wall of the bottom of the supporting plate, a heat conducting strip is fixedly arranged on the outer wall of one side of the supporting plate, and a fan is fixedly arranged inside the protection box, the bottom of the protection box is provided with a dustproof assembly.
Preferably, the lifting unit includes the pinion rack, fixedly connected with electric telescopic handle on the top outer wall of pinion rack, just electric telescopic handle fixed mounting be in on the inner wall of main lamp pole, fixed mounting has first motor on one side inner wall of main lamp pole, the output of first motor is connected with the fluted roller, just the fluted roller with the pinion rack meshing is connected.
Preferably, a through groove matched with the connecting lamp pole is formed in the outer wall of one side of the main lamp pole.
Preferably, the rotating assembly comprises a fixing frame, a fixed arc plate is fixedly mounted on the outer wall of one side of the fixing frame, a sliding groove is formed in the outer wall of one side of the fixed arc plate, a sliding block is arranged inside the sliding groove, and the rotating arc plate is welded at one end of the sliding block.
Preferably, the sliding block is embedded in the sliding groove in a clamping manner, and the sliding block can freely slide in the sliding groove.
Preferably, the dust removing assembly comprises a sliding rod, a moving block is movably sleeved on the surface of the sliding rod, a hydraulic pump is fixedly mounted on the outer wall of the top of the mounting plate, an output end of the hydraulic pump is connected with a telescopic rod, one end of the telescopic rod is fixedly connected with a cleaning brush, and the cleaning brush is fixedly connected with the moving block.
Preferably, the power component is including the second motor, the output of second motor is connected with the second belt pulley, be connected with the gear through the bearing on one side outer wall of mount, the welding has first belt pulley on the one end outer wall of gear, just first belt pulley with the second belt pulley is connected through the belt.
Preferably, the dustproof assembly comprises a clamping groove, the clamping groove is connected with a clamping strip in a clamping and embedding mode, and a dustproof mesh plate is welded on the outer wall of one side of the clamping strip.
The utility model discloses a technological effect and advantage:
1. the hydraulic pump and the telescopic link that set up make things convenient for in the clearance brush from solar panel's surface process to regularly clear up solar panel surface accumulational dust, make things convenient for in the stability of having increased when clearance brush removes through the slide bar and the movable block that set up, this mechanism's subassembly can reduce adhering to of dust, make solar panel can absorb light energy well, and avoid staff's high altitude construction, reduced staff's working strength.
2. The power is provided through the gear, the first belt pulley, the second motor and the second belt pulley, the rotating arc plate is convenient to drive to rotate, so that the inclination angle of the mounting plate is adjusted according to the illumination range of the sun, the contact area and the contact time of the solar panel and sunlight are increased, the sunlight is fully absorbed, and the lighting effect of the street lamp is guaranteed.
Drawings
Fig. 1 is a schematic perspective view of the overall structure of the present invention.
Fig. 2 is a schematic plan view of the main lamp post of the present invention.
Fig. 3 is a schematic perspective view of the lifting assembly of the present invention.
Fig. 4 is a schematic perspective view of the structure of the rotating arc plate of the present invention.
Fig. 5 is a schematic perspective view of the structure rotating assembly of the present invention.
Fig. 6 is a partially enlarged schematic view of the structure a of the present invention.
Fig. 7 is a schematic perspective view of the structural power assembly of the present invention.
Fig. 8 is a schematic perspective view of the dustproof assembly of the present invention.
Fig. 9 is a schematic cross-sectional perspective view of the structure protection box of the present invention.
In the figure: 1. a main light pole; 2. a storage battery; 3. a lifting assembly; 31. a toothed plate; 32. a first motor; 33. a toothed roller; 34. an electric telescopic rod; 4. connecting a lamp post; 5. a rotating assembly; 51. a fixed mount; 52. fixing the arc plate; 53. rotating the arc plate; 54. a slider; 55. a chute; 6. a dust-proof assembly; 61. a card slot; 62. clamping the strip; 63. a dustproof screen plate; 7. mounting a plate; 8. a solar panel; 9. a dust removal assembly; 91. a slide bar; 92. a moving block; 93. a hydraulic pump; 94. a telescopic rod; 95. cleaning a brush; 10. a power assembly; 101. a gear; 102. a first pulley; 103. a second motor; 104. a second pulley; 11. a protective case; 12. a support plate; 13. an LED lamp body; 14. a heat conducting strip; 15. a fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a solar street lamp with good dustproof effect as shown in figures 1-9, which comprises a main lamp post 1, wherein a storage battery 2 is fixedly arranged inside the main lamp post 1, the storage battery 2 can store the electric power converted by a solar panel 8 and provide the electric power for the work of the street lamp, a lifting component 3 is arranged inside the main lamp post 1, a connecting lamp post 4 is fixedly arranged on the outer wall of one side of the lifting component 3, a through groove matched with the connecting lamp post 4 is arranged on the outer wall of one side of the main lamp post 1, the connecting lamp post 4 is convenient to lift, a rotating component 5 is fixedly arranged on the outer wall of the top part of the connecting lamp post 4, the inclination angle of the solar panel 8 is convenient to adjust, the contact area and the time length between the solar panel 8 and the sunlight are increased, the work efficiency is improved, a mounting plate 7 is fixedly arranged on the outer wall of the top part of the rotating component 5, and the solar panel 8 is fixedly arranged on the outer wall of the top part of the mounting plate 7, the solar panel 8 can convert light energy into electric energy to provide electric power for the use of the street lamp, the outer wall of the top of the solar panel 8 is provided with a dust cleaning component 9 which is convenient for cleaning dust on the surface of the top of the solar panel 8 so that the solar panel 8 can well absorb the light energy, the interior of the connecting lamp post 4 is provided with a power component 10 which provides a power source for the rotation of the rotating component 5, the outer wall of one end of the connecting lamp post 4 is fixedly provided with a protective box 11 which is convenient for protecting internal equipment so as to avoid the corrosion of rainwater, the service life is prolonged, the interior of the protective box 11 is provided with a supporting plate 12, the outer wall of the bottom of the supporting plate 12 is provided with an LED lamp body 13 in a clamping and embedding manner, the outer wall of one side of the supporting plate 12 is fixedly provided with a heat conducting strip 14, the interior of the protective box 11 is fixedly provided with a fan 15, and the LED lamp body 13 generates a large amount of heat during long-time working operation, the heat conduction strip 14 can absorb the heat, and transmit the heat away from dustproof otter board 63 through fan 15, reduce the inside heat of protection box 11, play radiating effect, prolonged the life of LED lamp body 13, the bottom of protection box 11 is provided with dustproof subassembly 6, conveniently plays dirt-proof effect, avoids external dust to get into to the inside of protection box 11, can improve the durability and the life of street lamp.
In this embodiment, lifting unit 3 is including toothed plate 31, fixedly connected with electric telescopic handle 34 on toothed plate 31's the top outer wall, electric telescopic handle 34 can restrict toothed plate 31, make reciprocating that toothed plate 31 can be stable, increase stability, and electric telescopic handle 34 fixed mounting is on the inner wall of main lamp pole 1, fixed mounting has first motor 32 on one side inner wall of main lamp pole 1, the output of first motor 32 is connected with fluted roller 33, and fluted roller 33 is connected with toothed plate 31 meshing, start first motor 32, make first motor 32 drive fluted roller 33 rotate, fluted roller 33 is connected with toothed plate 31 meshing, thereby it goes up and down to drive the lighting mechanism who connects 4 one ends of lamp pole, it is convenient in adjusting the scope of illumination.
In this embodiment, rotating assembly 5 is including mount 51, fixed mounting has fixed arc board 52 on one side outer wall of mount 51, spout 55 has been seted up on one side outer wall of fixed arc board 52, the inside of spout 55 is provided with slider 54, the one end welding of slider 54 has rotation arc board 53, slider 54 inlay card is in the inside of spout 55, and slider 54 can freely slide in the inside of spout 55, rotation arc board 53 is when rotating, slider 54 slides at the inside follow rotation arc board 53 of spout 55, thereby restrict rotation arc board 53, the turned angle orbit of rotation arc board 53 has been restricted, and the stability when rotating arc board 53 rotates has been increased.
In this embodiment, dust removal subassembly 9 is including slide bar 91, the movable block 92 has been cup jointed in the surface activity of slide bar 91, fixed mounting has hydraulic pump 93 on the top outer wall of mounting panel 7, hydraulic pump 93's output is connected with telescopic link 94, the one end fixedly connected with cleaning brush 95 of telescopic link 94, and cleaning brush 95 and movable block 92 fixed connection, it stretches out and draws back to start hydraulic pump 93 to drive telescopic link 94, make cleaning brush 95 clear up the dust on solar panel 8 surface, and movable block 92 follows cleaning brush 95 and slides on slide bar 91's surface, slide bar 91 restricts movable block 92, thereby stability when cleaning brush 95 removes has been increased, can play the cleaning action well, make solar panel 8 can absorb the light energy well, and avoid staff high altitude construction, staff's working strength has been reduced.
In this embodiment, power component 10 is including second motor 103, the output of second motor 103 is connected with second belt pulley 104, be connected with gear 101 through the bearing on one side outer wall of mount 51, the welding has first belt pulley 102 on the one end outer wall of gear 101, and first belt pulley 102 is connected through the belt with second belt pulley 104, through starting second motor 103, make second motor 103 drive second belt pulley 104 and rotate at the during operation, thereby second belt pulley 104 drives first belt pulley 102 through the belt and rotates in step, be favorable to gear 101 and rotation arc board 53 meshing to be connected, adjust solar panel 8's inclination, provide the power supply for the rotation of rotation arc board 53.
In this embodiment, dustproof component 6 is including draw-in groove 61, the inside inlay card of draw-in groove 61 is connected with card strip 62, the welding has dustproof otter board 63 on the outer wall of one side of card strip 62, through the inside with card strip 62 inlay card at draw-in groove 61, it is convenient in installing dustproof otter board 63, and card strip 62 can carry out the pull in the inside of draw-in groove 61, it is convenient in dismantling dustproof otter board 63, and then clear up the dust on dustproof otter board 63 surface, improve dustproof effect of dustproof otter board 63, and the work efficiency is improved.
This practical theory of operation: the utility model relates to a dustproof effectual solar street lamp, at first, through starting first motor 32, make first motor 32 drive fluted roller 33 and rotate, because the meshing is connected, pinion rack 31 is stable reciprocating under electric telescopic handle 34's restriction, thereby it is convenient in highly adjusting the lighting mechanism to connecting lamp pole 4 one end, the scope of illumination has been changed, secondly, through starting second motor 103, make second belt pulley 104 drive first belt pulley 102 through the belt and rotate, thereby under gear 101 is connected with the meshing of fixed arc board 52, inclination to mounting panel 7 adjusts, it is long with the contact time to have changed the area of contact of solar panel 8 with the sunlight.
Drive telescopic link 94 through starting hydraulic pump 93 and stretch out and draw back to be favorable to clearing up brush 95 and clear up the dust on solar panel 8 surface, finally, can absorb the inside heat of protection box 11 through the heat conduction strip 14 that sets up, and transmit away the heat from dustproof otter board 63 through fan 15, reduce the inside heat of protection box 11, play radiating effect, dustproof otter board 63 has played dirt-proof effect in the radiating.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a solar street lamp that dustproof effectual, includes main lamp pole (1), its characterized in that: the solar street lamp comprises a main lamp pole (1), a storage battery (2) is fixedly mounted inside the main lamp pole (1), a lifting assembly (3) is arranged inside the main lamp pole (1), a connecting lamp pole (4) is fixedly mounted on the outer wall of one side of the lifting assembly (3), a rotating assembly (5) is fixedly mounted on the outer wall of the top of the connecting lamp pole (4), a mounting plate (7) is fixedly mounted on the outer wall of the top of the rotating assembly (5), a solar panel (8) is fixedly mounted on the outer wall of the top of the mounting plate (7), a dust cleaning assembly (9) is arranged on the outer wall of the top of the solar panel (8), a power assembly (10) is arranged inside the connecting lamp pole (4), a protection box (11) is fixedly mounted on the outer wall of one end of the connecting lamp pole (4), a support plate (12) is arranged inside the protection box (11), and an LED lamp body (13) is embedded on the outer wall of the bottom of the support plate (12), the heat conduction strip (14) is fixedly installed on the outer wall of one side of the supporting plate (12), the fan (15) is fixedly installed inside the protection box (11), and the dustproof assembly (6) is arranged at the bottom of the protection box (11).
2. The solar street lamp with good dustproof effect as claimed in claim 1, is characterized in that: lifting unit (3) are including pinion rack (31), fixedly connected with electric telescopic handle (34) on the top outer wall of pinion rack (31), just electric telescopic handle (34) fixed mounting be in on the inner wall of main lamp pole (1), fixed mounting has first motor (32) on one side inner wall of main lamp pole (1), the output of first motor (32) is connected with fluted roller (33), just fluted roller (33) with pinion rack (31) meshing is connected.
3. The solar street lamp with good dustproof effect as claimed in claim 1, is characterized in that: and a through groove matched with the connecting lamp post (4) is formed in the outer wall of one side of the main lamp post (1).
4. The solar street lamp with good dustproof effect as claimed in claim 1, is characterized in that: the rotating assembly (5) comprises a fixing frame (51), a fixed arc plate (52) is fixedly mounted on the outer wall of one side of the fixing frame (51), a sliding groove (55) is formed in the outer wall of one side of the fixed arc plate (52), a sliding block (54) is arranged inside the sliding groove (55), and a rotating arc plate (53) is welded at one end of the sliding block (54).
5. The solar street lamp with good dustproof effect as claimed in claim 4, wherein the solar street lamp comprises: the sliding block (54) is embedded in the sliding groove (55), and the sliding block (54) can freely slide in the sliding groove (55).
6. The solar street lamp with good dustproof effect as claimed in claim 1, is characterized in that: the dust cleaning component (9) comprises a sliding rod (91), a moving block (92) is movably sleeved on the surface of the sliding rod (91), a hydraulic pump (93) is fixedly mounted on the outer wall of the top of the mounting plate (7), the output end of the hydraulic pump (93) is connected with a telescopic rod (94), one end of the telescopic rod (94) is fixedly connected with a cleaning brush (95), and the cleaning brush (95) is fixedly connected with the moving block (92).
7. The solar street lamp with good dustproof effect as claimed in claim 4, wherein the solar street lamp comprises: power component (10) is including second motor (103), the output of second motor (103) is connected with second belt pulley (104), be connected with gear (101) through the bearing on one side outer wall of mount (51), the welding has first belt pulley (102) on the one end outer wall of gear (101), just first belt pulley (102) with second belt pulley (104) are connected through the belt.
8. The solar street lamp with good dustproof effect as claimed in claim 1, is characterized in that: dustproof subassembly (6) are including draw-in groove (61), the inside inlay card of draw-in groove (61) is connected with card strip (62), the welding has dustproof otter board (63) on the one side outer wall of card strip (62).
CN202120771856.4U 2021-04-15 2021-04-15 Dustproof effectual solar street lamp Expired - Fee Related CN215001335U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120771856.4U CN215001335U (en) 2021-04-15 2021-04-15 Dustproof effectual solar street lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120771856.4U CN215001335U (en) 2021-04-15 2021-04-15 Dustproof effectual solar street lamp

Publications (1)

Publication Number Publication Date
CN215001335U true CN215001335U (en) 2021-12-03

Family

ID=79136011

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120771856.4U Expired - Fee Related CN215001335U (en) 2021-04-15 2021-04-15 Dustproof effectual solar street lamp

Country Status (1)

Country Link
CN (1) CN215001335U (en)

Similar Documents

Publication Publication Date Title
CN112066324B (en) Folded cascade solar street lamp support
CN217607768U (en) Energy storage power station is with multi-functional light storage integrated device
CN215001335U (en) Dustproof effectual solar street lamp
CN115977897A (en) Cooling equipment and cooling method for engine room of wind driven generator
CN211952612U (en) Lamp storage device for solar street lamp
CN213840749U (en) Solar panel intelligent regulation street lamp
CN213272424U (en) New forms of energy lighting device
CN214172127U (en) LED street lamp that waterproof nature is good
CN213983354U (en) Wind-solar complementary intelligent street lamp with dustproof structure
CN208688011U (en) A kind of small-sized photo-thermal combination solar power station improving structure
CN209963980U (en) Portable solar energy component generator who is equipped with spotlight formula
CN210246690U (en) Windproof solar cell panel
CN212841445U (en) Solar lamp panel with full-automatic adjusting function
CN215570233U (en) Energy-saving and environment-friendly LED solar lamp
CN209747017U (en) Waterproof advertising light boxes
CN220249899U (en) Solar street lamp for urban illumination
CN212411525U (en) Billboard lamp box utilizing clean energy
CN218888466U (en) Rotatable solar street lamp of photovoltaic board
CN213040492U (en) Energy-saving and environment-friendly lighting device
CN218095720U (en) Self-cleaning LED solar street lamp
CN212805486U (en) High-efficiency green energy-saving electric lighting device
CN212178708U (en) Solar street lamp convenient to adjust
CN212456643U (en) LED street lamp supplied by hybrid energy
CN218734164U (en) Photovoltaic board cleaning device for new forms of energy of power plant
CN212081082U (en) Energy-saving and environment-friendly street lamp lighting device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211203

CF01 Termination of patent right due to non-payment of annual fee